Home / 168,490,890.40-252,736,335.60-110,040,253.60

Finding the Fourth Proportional to 168,490,890.40, 252,736,335.60 and 110,040,253.60

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Solution

The fourth proportional to 168,490,890.40, 252,736,335.60 and 110,040,253.60 is: 165,060,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,490,890.40 : 252,736,335.60 = 110,040,253.60 : x
  2. Step 2: Convert to fraction form
    168,490,890.40/252,736,335.60 = 110,040,253.60/x
  3. Step 3: Cross multiply
    168,490,890.40x = 252,736,335.60 × 110,040,253.60
  4. Step 4: Simplify right side
    168,490,890.40x = 27,811,170,463,358,704
  5. Step 5: Solve for x
    x = 27,811,170,463,358,704/168,490,890.40
  6. Step 6: Final answer
    x = 165,060,380.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.